Barbara Hamilton (11 December 1926– 7 February 1996) was a Canadian actress in film, television, theatre and radio. After studies at Brockville Collegiate Institute, she attended the University of Toronto where her early performances were featured at the Hart House Theatre. She is known for roles in films and television series such as Road to Avonlea. Her theatre performances have included the Spring Thaw review. She is also known for originating the role of Marilla Cuthbert in both the Canadian and West End productions of Anne of Green Gables.